How to access JSON Array elements returned from an AJAX response

Question

how to access JSON array elements for the following JSON Code? further how do i calculate the size of the returned object array?

[
{
lastInvAmt: 0
bwHrs: 0
nbwHrs: 0
unbilledAmt: 0
unbilledHrs: 0
dbID: 0`
},{
lastInvAmt: 0
bwHrs: 0
nbwHrs: 0
unbilledAmt: 0
unbilledHrs: 0
dbID: 0`
}]

This is not a valid JSON string; in JSON, every string, whether it represents a key or a value, should be encapsulated in double quotes ("). Also notice the strange backticks after the dbID values. You can test your string with jsonlint.com — Marcel Korpel
– Marcel Korpel, Commented Sep 23, 2010 at 14:36

Marcel Korpel · Accepted Answer · 2010-09-23 14:54:31Z

2

Why can't you assign it to variable? Or I don't understand anything? :)

edited to work with json string

var ar = eval('[
{
lastInvAmt: 0
bwHrs: 0
nbwHrs: 0
unbilledAmt: 0
unbilledHrs: 0
dbID: 0
},{
lastInvAmt: 0
bwHrs: 0
nbwHrs: 0
unbilledAmt: 0
unbilledHrs: 0
dbID: 0
}]');

Why do you have single quote dbID: 0`. Is it spelling error?

edited Sep 23, 2010 at 14:54

Marcel Korpel

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answered Sep 23, 2010 at 14:34

Danil

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3 Comments

Marcel Korpel Over a year ago

The OP probably gets above thingadongdong as a string in JSON, which he wants to be converted to a real object (or array, in this case).

Danil Over a year ago

then it is required to use eval of course. I will edit my code.

Marcel Korpel Over a year ago

No, it is not required and could even be dangerous (malicious code injection). Use a JSON parser instead.

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